I am wondering if there is any middle ground? Are there any 3xAAAs that are notably brighter? The 2xAA reviews Ive seen show some nice lights, but they really dont' seem to be any brighter than the 1xAA ones.
With honest output numbers, the 2xAA should have about twice the output of the 1xAA lights at the same runtime. When you're looking at lights, you have to remember that many quote possible lumen output at the emitter. But the design of the light greatly affects the true output, so even if an emitter is capable of 300 lm the flashlight may only produce 200 lm out the front, or 100 lm with double the runtime. Many cheaper companies quote the emitter output simply for the higher numbers, yet the light often has the same or substantially LESS output compared to better quality units after running for 30-60 minutes. Some have no current regulated driver circuits, so the light starts out bright, but quickly dims as the battery voltage sags and continues to dim just like older incandescent lights (but without the awful colour change). I want my light to maintain brightness from the moment I turn it on with fresh cells until it's almost dead where the brightness drops a level or two to indicate low batteries.
Are there any short,fat, 3xAA lights? Or a mini-polestar with 6xAAA?
After using a light with a 3xAAA plastic cartridge, I tend to shy away from them. I don't like the design (more failure points) and the cartridges are generally rather cheap and easy to break. I think the general consensus here is to avoid cartridges.
About the best output you can expect right now with 2xAA (Alk/NiMH) is around 200-220 real lumens. My Quark AAx2 with XP-G R5 emitter produces 206 lumens out the front and other models can produce a little more with larger reflectors or driving the emitter a little harder. Of course, you also have to factor in the beam profile as that can affect your perception of light output. For instance, when shining my MagLED 3D down the road, it can throw quite well with a tight hotspot and very little spill. But it's overall output is substantially lower (only about 50lm output) than my Quark (206lm) which lights up the area in front of me, a house, and a stopsign, rather than just a stopsign for the Mag. I find the Quark is a lot more useful as it lights up a lot rather than just a spot.
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